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Senior Full Stack Java Developer Jobs in O Fallon, MO

The Timberline Group

Java Full Stack Developer

Saint Louis, MO · On-site

$49.75 - $64.25/hr

Full Stack Developer to join the Software Engineering team. This individual will be responsible for ... Skilled in use of static languages such as Java, Scala, etc. and dynamic languages such as node.js, ...

The Timberline Group

Java Full Stack Developer

Saint Louis, MO · On-site +1

$51 - $65.75/hr

Full Stack Developer to join the Software Engineering team. This individual will be responsible for ... Java, Scala, etc. and dynamic languages such asnode.js, Python, Groovy • Experience with ...

Equifax, Inc.

Senior Full Stack Engineer

Saint Louis, MO · On-site

We are seeking a visionary full stack engineer to join our technology transformation initiative. In ... Develop scalable APIs and microservices using Java Spring Boot, Python, Node. js and other modern ...

Apex Informatics

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Title: Java Developer Location: St Louis, MO * 10+ years of hands-on software engineering ... Familiarity with modern web APIs and full stack frameworks. * Experience with Java, ElasticSearch ...

Palnar

Sr. Java Full Stack Developer

O Fallon, MO · On-site

$49 - $63.25/hr

What are your top 3 required technical skills We are looking for a developer who is strong in backend development and has basic skills to perform UI development Backend Skills Java 17 Spring Boot 3.x ...

CYNET SYSTEMS

Java Full Stack Developer

Saint Louis, MO · On-site

$50/hr

Java/JEE, Spring, Spring boot, REST/SOAP web services, Hibernate, SQL, Tomcat, Application servers (WebSphere), SONAR, Agile, AJAX, Jenkins. * Skills in UML, application designing/architecture ...

CACI

Full Stack Developer

Saint Louis, MO

$90K - $189K/yr

CACI is seeking a highly skilled Senior Full Stack Developer to join our development team. In this role, you will be responsible for designing, developing, and maintaining sophisticated web ...

SESHENG LLC

Java Developer

O Fallon, MO · On-site

$47.75 - $61.75/hr

Broad Technology Stack Experience: Familiar with a range of modern tools and technologies ... This person would fit well into a senior or lead developer role, where they can leverage their deep ...

MasterCard

Senior Software Engineer - Java

O Fallon, MO · Hybrid

$116K - $153K/yr

Mastercard's Enterprise Credit Risk (ECR) team is seeking a talented Senior Software Engineer - Java Full Stack to design, build, and modernize applications that power credit decisioning, portfolio ...

Mastercard, Inc.

Senior Software Engineer - Java

O Fallon, MO · On-site

$116K - $153K/yr

Mastercard's Enterprise Credit Risk (ECR) team is seeking a talented Senior Software Engineer - Java Full Stack to design, build, and modernize applications that power credit decisioning, portfolio ...

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Senior Full Stack Java Developer information

See O Fallon, MO salary details

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How much do senior full stack java developer jobs pay per hour?

As of Sep 10, 2026, the average hourly pay for senior full stack java developer in O'Fallon, MO is $54.31, according to ZipRecruiter salary data. Most workers in this role earn between $47.21 and $60.91 per hour, depending on experience, location, and employer.

What is a senior full stack Java developer?

Senior Full Stack Java Developers are experienced software professionals who design, develop, and maintain both the front-end and back-end components of web applications using Java and related technologies. They typically work with frameworks such as Spring Boot for the backend and may use JavaScript frameworks like Angular or React for the frontend. In addition to coding, they often lead development teams, make architectural decisions, and ensure best practices are followed throughout the software development lifecycle.

What are the key skills and qualifications needed to thrive as a senior full stack Java developer?

A Senior Full Stack Java Developer needs advanced proficiency in Java, front-end frameworks (such as Angular or React), and a solid understanding of databases, supported by a bachelor’s degree in computer science or related field. Experience with tools like Spring Boot, RESTful APIs, version control systems (e.g., Git), and cloud platforms is typically required, along with relevant certifications. Strong problem-solving, communication, and teamwork skills help developers effectively collaborate and deliver robust solutions. These competencies are crucial for building scalable applications, leading projects, and ensuring efficient development processes.

What are some common challenges senior full stack Java developers face when balancing backend and frontend responsibilities?

Senior Full Stack Java Developers often encounter the challenge of staying up-to-date with both backend Java frameworks and rapidly evolving frontend technologies. Balancing deep expertise in server-side development with proficiency in modern JavaScript frameworks (like React or Angular) can be demanding. Additionally, these professionals often need to effectively prioritize tasks between client and server development while collaborating with specialized frontend or backend team members. Time management, clear communication, and a willingness to learn new tools are essential for success in this multifaceted role.

What are popular job titles related to Senior Full Stack Java Developer jobs in O'Fallon, MO?

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Senior Full Stack Java Developer jobs near you
Infographic showing various Senior Full Stack Java Developer job openings in O'Fallon, MO as of August 2026, with employment types broken down into 85% Full Time, 9% Part Time, 5% Contract, and 1% Nights. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $113,010 per year, or $54.3 per hour.

Java Full Stack Developer

Saint Louis, MO • On-site

The Timberline Group
See more jobs at The Timberline Groupexternal

$49.75 - $64.25/hr

Other

Re-posted 16 days ago

Job description

Full Stack Developer to join the Software Engineering team. This individual will be responsible for developing a wide variety of software solutions in a cloud enabled microservices environment. Development will include solutions built for internal and external customer use and will cover the full stack of solution design and build and can have components built for data analytics, business process automation, and frontend presentation and user interaction. The ideal candidate will be comfortable in a fast-paced environment and working on development teams responsible for the intaking new requirements from the business and quickly building working software that delivers business value. This position is an active development role where the candidate will spend a majority of their time writing code and deploying to production systems.

In this position the candidate will be working with the latest technologies on cloud-based providers and will have freedom to explore new creative ways to solve problems using new tools and concepts. Solutions that are developed will be critical to running operations and providing services for a Health Plan committed to delivering the highest quality of healthcare to hundreds of thousands of members.

Daily Responsibilities:
  • Participate with team to work with product owner to refine backlog stories and requirements and plan stories for upcoming sprints.
  • Working with development team design architectures and choose tools and methods to build applications that meet the product requirements
  • Participating in an agile development sprint choose tasks from the backlog and build working code that meets the acceptance criteria.
  • Insure that all code meets the team requirements for testability and performance.
  • Insure that all code is deployed into the full application through the CI/CD build process
Required Skills:
  • Experience developing complex software applications from detailed requirements
  • Demonstrates effective problem-solving skills
  • Understanding of Object Oriented analysis and design using common design patterns.
  • Skilled in use of static languages such as Java, Scala, etc. and dynamic languages such as node.js, Python, Groovy
  • Experience with Relational Databases such as Oracle, MySQL, SQLServer
  • Experience working with non-relational data stores such as MongoDB, DynamoDB, etc.
  • Experience with RESTful services and JSON
  • Experience working with version control technologies such as Git, TFS, or SVN
  • Experience with CI/CD tools such as Jenkins, Bamboo, etc.
  • Experience with test driven development tools such as Sonarqube.
  • Familiarity with Front-End development utilizing HTML, CSS, JavaScript(jQuery/Ajax/Bootstrap)
  • Experience with Agile development methodologies
  • Experienced in all phases of software development
  • Self-starter that works well independently as well as in a team
  • Ability to write clean, self-documented code
  • Troubleshoot problems with applications and services
Other Plus Skills:
  • Experience on streaming data design using Kafka and Kafka Streams
  • Experience with cloud services particularly AWS
  • Experience with Apache Spark and/or Hadoop
  • Experience with ELK stack (Elasticsearch and Logstach)
Engineering team culture:
  • Working on the cutting edge of technology using the latest tools
  • Time dedicated to discussing & POC-ing product ideas created from ALL employees, including engineering
  • Collaborative work environment. Our engineers are super friendly and love to help each other out!
  • Weekly 1 on 1 with manager
  • Tight-knit relationship with the Product Team & use data-driven decision making
  • Bi-quarterly companywide demo day to find out what individuals throughout the company are working on
  • Casual environment and dress code. Jeans are allowed, ties are prohibited.
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